2201213231213 has 2 divisors, whose sum is σ = 2201213231214. Its totient is φ = 2201213231212.

The previous prime is 2201213231209. The next prime is 2201213231257. The reversal of 2201213231213 is 3121323121022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1567108392964 + 634104838249 = 1251842^2 + 796307^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201213231213 - 2² = 2201213231209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201213231263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100606615606 + 1100606615607.

It is an arithmetic number, because the mean of its divisors is an integer number (1100606615607).

Almost surely, 2^{2201213231213} is an apocalyptic number.

It is an amenable number.

2201213231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201213231213 is an equidigital number, since it uses as much as digits as its factorization.

2201213231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2201213231213 its reverse (3121323121022), we get a palindrome (5322536352235).

The spelling of 2201213231213 in words is "two trillion, two hundred one billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred thirteen".